| | Tamoguṇa | The material mode of ignorance. |
| | Tapasya | Penance or austerity voluntarily accepted for spiritual progress. |
| | Tilaka | Clay markings worn on the forehead and otherplaces to sanctify the body as a temple of the Supreme Lord. |
| | Trētā yuga | The second age in the cycle of yugas, renowned for great sacrifices. |